ENERGY ANALYSIS OF EFFICIENT LIGHTING SYSTEM DESIGN FOR LECTURING ROOM USING DIALUX EVO 3

摘要

Rate of electricity consumption is increasing due to high demand from year by year, while the supply of natural sources such as gas, coal and others is significantly reduced (nonrenewable resources). This is a factor why electricity tariffs are increased and it would affect the improvement of living standards. The design of the lights is one of the important elements and it is the beginning of the design for building. Effective and efficient strategy of lighting, including natural daylighting, can give illumination at the proper level and reduce the cost and energy consumption. A lot of money can be saved if the designers know how to design a lighting system effectively and efficiently. Therefore, awareness to the community on how to design a lighting system and ensure that the existing lighting system is efficient, effective, and meet with proper standards was performed in this project. The objective of this research work is to perform energy analysis of efficient lighting system design for lecturing room. The lecturing room at UTM SPACE KL Building was taken as a case study. Type of lighting used, the existing room design and lighting technology in the market should be identified prior to implementing this project. After that, the design of the system will be implemented using manual calculation based on lumen method and for simulation calculation, using DIAlux Evo 3 and AutoCAD. Two type lighting products is compared in this study, in terms of energy consumption and cost, namely compact fluorescent lamp (CFL) and light emitting diode (LED). Then, comparison of results was performed to obtain the best lighting system. The results revealed that LED provides energy cost savings of 30% to 50% annually compared to CFL. Moreover, by using simulation method, give more effective and accurate results compared with manual calculation.